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Finding the Fourth Proportional to 43,555.80, 60,120.54 and 34,619.16

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Solution

The fourth proportional to 43,555.80, 60,120.54 and 34,619.16 is: 47,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,555.80 : 60,120.54 = 34,619.16 : x
  2. Step 2: Convert to fraction form
    43,555.80/60,120.54 = 34,619.16/x
  3. Step 3: Cross multiply
    43,555.80x = 60,120.54 × 34,619.16
  4. Step 4: Simplify right side
    43,555.80x = 2,081,322,593.55
  5. Step 5: Solve for x
    x = 2,081,322,593.55/43,555.80
  6. Step 6: Final answer
    x = 47,785.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.